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Relationship between atmospheric blocking and cold day extremes in current and RCP8.5 future climate conditions over Japan and the surrounding area

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タイトル: Relationship between atmospheric blocking and cold day extremes in current and RCP8.5 future climate conditions over Japan and the surrounding area
著者: Kitano, Yoshikazu 著作を一覧する
Yamada, Tomohito J. 著作を一覧する
キーワード: atmospheric blocking
extreme cold days
Japan and its surrounding areas
climate change
CMIP5
発行日: 2016年11月
出版者: Wiley-Blackwell
誌名: Atmospheric science letters
巻: 17
号: 11
開始ページ: 616
終了ページ: 622
出版社 DOI: 10.1002/asl.711
抄録: Atmospheric blocking is one of the most impactful weather patterns in midlatitude regions, causing floods, droughts and unusually high or low temperatures. This study investigates the relationship between extremely cold days over Japan and its surroundings and North Pacific blocking in the European Centre for Medium-rangeWeather Forecasts (ECMWF) re-analysis (ERA-40), phase 5 of the Coupled Model Intercomparison Project (CMIP5) for historical weather and the representative concentration pathway 8.5 (RCP8.5) experiments based on nine climate model datasets in the boreal winter season. Under the climate change conditions based on the RCP8.5 future scenario, extreme cold days (i.e. the first percentile of cold days) over Japan and its surroundings will become weaker but occur more widely when blocking is generated over the northwestern Sea of Okhotsk and its surroundings, because the blocking frequency over this area will decrease and the intensity will weaken.
資料タイプ: article
URI: http://hdl.handle.net/2115/64698
出現コレクション:雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

提供者: 北野 慈和

 

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